* Andrew Morton <akpm@xxxxxxxx> wrote:
> + if (cpu_isset(cpu, backtrace_mask)) {
> + cpu_clear(cpu, backtrace_mask);
> + printk("NMI backtrace for cpu %d\n", cpu);
> + dump_stack();
> + }
yeah. There's just one issue: this will mix all the printks from all
CPUs at once (the NMIs if IO-APIC triggered fire at once). The way i
solved this was to add a private spinlock around the printk and
dump_stack().
Ingo
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